I live in Europe, but got the P1601-DK03 board from USA. The problem was the power supply didn't match our connectors. So I cut the cable and connected an adjustable power supply. Then only one LED was glimming. I think the problem was that the voltage was not stable enough, but this time I did'nt know about it.
Then I attached another host over a micro USB cable to the USB port in the near of the hdmi port. The two green LEDs started shined now and the green Ethernet LED started blinking. Then I attached the power barrel with the 5V.
I know now it is a mistake to attach another USB host to the USB OTG port. I am also a Zedboard user. It was my old habitude to do this. Because there you have the FTDI serial converter direct onboard.
Now I use the other USB port in the near of the barrel connector. I changed the jumper from 12 to 23, attached a powered usb hub and the two green LED are shining, the green Ethernet LEDs are blinking. But my board is still not starting. I am waiting for the usb to ttl converter delivery to debug. What could now be happened with the board? Is maybe the USB OTG port burned but the rest still working or will I never be able to boot now?